HC-05 4 Pin Bluetooth Module (Master+Slave) With Button

HC-05 4 Pin Bluetooth Module Description

The HC-05 4 Pin Bluetooth Module is a versatile and user-friendly Bluetooth module that supports both Master and Slave modes. This version includes a button, allowing easy entry into AT command mode for configuration. It is widely used for wireless communication in embedded systems, IoT devices, and robotics. Compatible with microcontrollers like Arduino, Raspberry Pi, and STM32, this module provides reliable and stable Bluetooth connectivity.

HC-05 4 Pin Bluetooth Module Features

• Master and Slave Modes: Configurable via AT commands for flexible use.
• Integrated Button: Easily switch to AT command mode for configuration.
• 4 Pin Design: Simple interface with TXD, RXD, VCC, and GND pins.
• Wide Compatibility: Works seamlessly with Arduino, Raspberry Pi, and other microcontrollers.
• Stable Wireless Connectivity: Provides reliable data transmission over Bluetooth.
• Low Power Consumption: Ideal for battery-operated applications.
• Compact Design: Lightweight and easy to integrate into projects.

HC-05 4 Pin Bluetooth Module Specifications

• Bluetooth Version: Bluetooth 2.0 + EDR
• Operating Voltage: 3.3V - 5V
• Communication Interface: UART (default baud rate: 9600)
• Operating Range: Up to 10 meters (in open space)
• Modes: Master and Slave
• Button Function: Enter AT command mode with a single press
• Dimensions: Compact and lightweight
• Power Consumption: Low, optimized for energy efficiency

HC-05 4 Pin Bluetooth Module Applications

• Wireless Communication: Facilitates data transfer between microcontrollers and smart devices.
• IoT Projects: Adds Bluetooth connectivity to smart home and automation systems.
• Robotics: Enables remote control and data transmission for robots.
• Prototyping: Ideal for developing Bluetooth-enabled applications quickly.
• Educational Projects: Perfect for learning and experimenting with wireless communication technologies.